<Metahttp-equiv = "imagetoolbar" content = "no"/> What does it mean? What should I do?

& Lt; metahttp-equiv = & quot; imagetoolbar & quot; content = & quot; no & quot;/& gt; what does it mean? This is something in the & lt; head & gt; label. what does http-equiv mean? Please explain the meaning in detail. By the way, I would like to explain the meaning of other codes. thank you. What does that mean?
This is inWhat does http-equiv mean? Please explain the meaning in detail. By the way, I would like to explain the meaning of other codes. thank you.

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It seems that some small icons for saving and email are removed from the image.
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Determines whether to display the image toolbar. if it is false, it indicates that the image is not displayed. if it is true, it indicates that the image is displayed.





Meaning of other meta tags

Http-equiv = Content-Type content = "text/html

Http-equiv = Content-Type indicates the HTTP header protocol, prompting the browser webpage information,

　　

If the charset Information parameter of the meta tag is GB2312, it indicates that the website uses simplified Chinese characters;

When the charset Information parameter of the meta tag is BIG5, it indicates that the website is encoded in traditional Chinese;

Meta tag charset Information parameters such as ISO-2022-JP, indicating that the website is encoded in Japanese;

If the charset Information parameter of the meta tag is ks_c_5601, it indicates that the website is encoded in Korean;

Meta tag charset Information parameters such as ISO-8859-1, indicating that the website is encoded in English;

Meta tag charset Information parameters such as UTF-8, representing the world's common language encoding;





Generator of META tag

　　

The information parameter of the generator of the meta tag indicates the software used by the website.




Keywords of the META tag

Written:

The Keywords parameter of the meat tag indicates the keyword of the website.





Description of the META tag

　　

The Description parameter of the meta tag indicates the main content and overview of the website.





Author of the META tag

　　

The author parameter of the meta tag, indicating the author information of the webpage copyright.





META tag http-equiv = "Refresh"

　　

The Refresh of the meta tag indicates the time when the webpage is automatically refreshed, and the Url parameter is added to indicate the time when other URLs are automatically linked.





HTTP-EQUIV for META tags = "Pragma" CONTENT = "no-cache"

　　 Prohibit the browser from accessing the page content from the cache of the local computer.

The questioner will not be able to browse offline.





COPYRIGHT of the META tag

　　

The COPYRIGHT parameter of the meta tag, indicating the website COPYRIGHT information.




META tag Content-Script-Type

　　

W3C Web page specification, indicating the script type on the page.




Revisit-after for META tags

　　

Revisit-after indicates that the website is revisited, and 7 days indicates 7 days.




Robots of META tags

　　

Robots representatives tell search engine Robots what pages to capture

The attributes are described as follows:

The information parameter is none: the file will not be retrieved, and the link on the page cannot be queried;

The information parameter is index: the file will be retrieved;

The information parameter is follow: the link on the page can be queried;

The information parameter is all: the file will be retrieved, and the link on the page can be queried;

Letter

The information parameter is noindex: the file will not be retrieved, but the link on the page can be queried;

The information parameter is nofollow: the file will be retrieved, but the link on the page cannot be queried;



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